Dancing the two-step

This requires users to confirm their identity through a "trusted device" like an iPhone or iPad, whenever changes are made to their Apple ID or iCloud account.

However, such was the rush to sign-up for the simpler (there's no need for security questions) and more secure account protection tool that when yesterday's problem emerged, there was a three-day queue to switch.

This left those using password reset method vulnerable until Apple fixed the flaw late on Friday night.